One Two Three is a tiny puzzle that you will grow to love: it trains your brain, challenges you, and gets tougher the more you play.

6+6=12 and so on ...

Try it out, and enjoy it!

What’s New

Version 2.4

This app has been updated by Apple to use the latest Apple signing certificate.

Bug Fixes.

Ratings and Reviews

2.8 out of 5
13 Ratings

13 Ratings

Ali3339 ,

Why does the audio turn back on whenever I reopen the app?

I've used lots of apps that can remember sound preferences, and I think this one used to, but no longer... I have to listen to and turn off the annoying music (after I wait for a brief ad) each time I start the app. Otherwise I really enjoy the game.

Dk04 ,

I used to like this game

This game used to be fun, now the sound effects continuously play over my music. I hate your sound effects. They are stupid and distracting and make me not want to play. I just want to listen to my music and play the game. So disappointing. It used to work just fine, now it’s the worst.

24th attempt at a nickname ,

Fix sfx and music

Love the game, despise the music and sfx. The buttons that are suppose to be used to turn these features off don’t work when
I haven my Bluetooth ear buds in. Seriously, this is simple developer issues that shouldn’t be a problem.

App Privacy

The developer, 5mina, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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